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KSZ9031RN Datasheet, PDF (25/67 Pages) Micrel Semiconductor – Shortform Catalog
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Power Management Selection Guide
Electroluminescent (EL) Drivers
Bold = New
P/N
VIN
Min
Max
(V)
(V)
VOUT
(Vpp)
Operating
Iq
(µA)
Frequency
MIC4826
1.8
5.5
160
21
60Hz-1KHz
MIC4827
1.8
5.5
180
21
60Hz-1KHz
MIC4830
1.8
5.5
180
45
60Hz-1KHz
MIC4832
1.8
5.5
220
45
60Hz-1KHz
MIC4833
2.3
5.8
220
152
100Hz-1.5KHz
MIC4834
2.3
5.8
220
152
100Hz-1.5KHz
Features
EL panels up to 3 sq in2
EL panels up to 3 sq in2
EL panels up to 4 sq in2 Lowest Audible Noise
EL panels up to 3 sq in2 Lowest Audible Noise
Independent control of two EL elements, up to 4 in2
For Two EL elements in parallel, up to 3 in2
* = Reduced height package
Package
MSOP-8
MSOP-8
MSOP-8, 3x3
MSOP-8, 3x3
3x3
MSOP-10, 3x3
LED Backlight Drivers
Bold = New
P/N
VIN
llim
VIN
Tol VOUT Duty
Min Max Typ Iq Int Vfb (Typ) Max Cycle Freq
(V) (V) (A) Typ Diode (V) % (V) Max (Hz) Comments
MIC2142
2.2 16
85µA
1.28 ±2 22 57% 330K
MIC2145
2.4 16 0.900 200µA
1.08 ±2 16
450K Hysteretic
MIC2282
0.9 15 0.750 120µA
0.220 ±10 35 67% 200K Single AA Boost
MIC2287
2.5 10 0.750 2.5mA
0.095 ±5 34 90% 1.2M
MIC2287C 2.5 10 0.750 2.5mA
0.095 ±5 34 90% 1.2M
MIC2289
2.5 10 0.750 2.5mA X 0.095 ±10 34 90% 1.2M
MIC2289C 2.5 10 0.750 2.5mA X 0.095 ±10 34 90% 1.2M
MIC2291
2.5 10 1.20 2.8mA
0.095 ±5 34 90% 1.2M Photo Flash Mode
MIC2292
2.5 10 0.750 2.5mA X 0.095 ±10 34 90% 1.6M
MIC2292C 2.5 10 0.750 2.5mA X 0.095 ±10 34 90% 1.6M
MIC2293
2.5 10 0.750 2.5mA X 0.095 ±10 34 90% 2.0M
MIC2293C 2.5 10 0.750 2.5mA X 0.095 ±10 34 90% 2.0M
MIC2297
2.5 10 1.70 4.0mA
0.200 ±5 42 93% 600K Current Mode
MIC2298
2.5 10 4.75 15mA
0.200 ±8 30 90% 1.0M Photo Flash & Torch Mode
MIC2299
2.5 10 4.75 15mA
0.200 ±8 30 90% 2.0M 10W Flash driver and Torch Mode.
MIC3223
4.5 20 9.0 2.1mA
0.200 ±5 37 90% 1.0M Boost High Power LED Driver, Integrated FET and PWM Dimming.
MIC3263
6.0 40 2.40 6.5mA
2.36
40 0.9 400K-1.8M Six-Channel WLED Driver for Backlighting Applications with
Flicker-free Dimming. Internal & Ext dimming modes
MIC3287
2.8 5.5 0.350 2.1mA
0.250 ±7.5 36 90% 1.2M
MIC3289
2.5 6.5 0.750 1.4mA X 0.250 ±5 24 90% 1.2M Dig 1-Wire
MIC3291
2.5 6.5 0.750 2.0mA X 0.250 ±5 25 90% 1.2M Dig 1-Wire
* = Reduced height package
Package
TSOT23-5
MSOP-8, 3x3
MSOP-8
TSOT23-5, 2x2
TSOT23-5, 2x2
2x2
2x2
TSOT23-5, 2x2
2x2
2x2
2x2
2x2
2.5x2.5
3x3
3x3
eTSSOP-16
4x4
TSOT23, 2x2
TSOT23-6, 2x2
TSOT23-6, 2x2
High Brightness LED Drivers
Bold = New
VIN
Type Min Max # of White
P/N
Buck Boost (V) (V)
LEDs
Dimming
MIC3201
X
MIC3202
X
MIC3202-1
X
MIC3203
X
MIC3203-1
X
MAQ3203 (1) X
MIC3230
MIC3231
MIC3232
6.0 20
Up to 4
PWM to 20KHz
6.0 37
Up to 8
PWM to 20KHz
6.0 37
Up to 8
PWM to 20KHz
4.5 42
Up to 9
PWM to 20KHz
4.5 42
Up to 9
PWM to 20KHz
4.5 42
Up to 9
PWM to 20KHz
X 6.0 45 Up to 20 or more PWM to 500Hz
X 6.0 45 Up to 20 or more PWM to 500Hz
X 6.0 45 Up to 20 or more PWM to 500Hz
(1) AEC-Q100 Qualified.
Iq
(mA)
1.2
1.2
1.2
1.0
1.0
1.0
3.2
3.2
3.2
Switching
Frequency
Hyst to 1.0MHz
Hyst to 1.0MHz
Hyst to 1.0MHz
Hyst to 1.5MHz
Hyst to 1.5MHz
Hyst to 1.5MHz
400KHz-1.8MHz
100KHz-1MHz
400KHz
Switching
Mosfet
Internal 1A
Internal 1A
Internal 1A
External
External
External
External
External
External
ILED
Dithered Accuracy
±5%
X
±5%
X
±5%
X
±5%
3%
X
3%
3%
Vfb
(mV)
* = Reduced height package
Package
200 eSOIC-8
200 eSOIC-8
200 eSOIC-8
200 SOIC-8
200 SOIC-8
200 SOIC-8
250 eTSSOP-16, 3x3
250 eTSSOP-16, 3x3
250 MSOP-10
September, 2011
25
Micrel, Incorporated
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